China’s central bank reiterated its stance on cryptocurrency on Friday, releasing a memo that banned cryptocurrency transactions and made it illegal for overseas exchanges to provide services to people in China. “Virtual currency-related business activities are illegal financial activities,” the People’s Bank of China [said in a notice](javascript:void(0)) posted to its website on Friday afternoon. Bitcoin mining 101: How to build a cryptomining rig Interested in building a system for mining cryptocurrency? Here’s all the hardware you need and what you need to know to get started. [Read More](javascript:void(0)) They slammed cryptocurrency for “disrupting economic and financial order” and facilitating...